diff --git a/models/drivers.go b/models/drivers.go
index 2296a0d..7a66470 100644
--- a/models/drivers.go
+++ b/models/drivers.go
@@ -15,6 +15,7 @@ func (d *Drivers) AddDriver(drv Driver) {
 	if driver, ok := (*d)[drv.Type]; ok {
 		driver.AddBuses(drv.Buses)
 		(*d)[drv.Type] = driver
+		return
 	}
 	(*d)[drv.Type] = &drv
 }